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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Processing with Pig | - Pig Latin fundamentals
|
| Data Warehousing with Hive | - HiveQL fundamentals
|
| Hadoop Ecosystem Integration | - MapReduce basics - Data ingestion and ETL workflows - HDFS interaction |
Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:
Which Hadoop component is responsible for managing the distributed file system metadata?
- A. DataNode
- B. Metanode
- C. NameSpaceManager
- D. NameNode
Correct Answer: D 🗳️
What does the following WebHDFS command do?
Curl -1 -L "http://host:port/webhdfs/v1/foo/bar?op=OPEN"
- A. Read a file /foo/bar
- B. Make a directory /foo/bar
- C. Delete a directory /foo/bar
- D. List a directory /foo
Correct Answer: A 🗳️
Given the following Pig command:
logevents = LOAD 'input/my.log' AS (date:chararray, levehstring, code:int, message:string);
Which one of the following statements is true?
- A. The logevents relation represents the data from the my.log file, using a tab as the parsing delimiter
- B. The first field of logevents must be a properly-formatted date string or table return an error
- C. The statement is not a valid Pig command
- D. The logevents relation represents the data from the my.log file, using a comma as the parsing delimiter
Correct Answer: A 🗳️
You have user profile records in your OLPT database, that you want to join with web logs you have
already ingested into the Hadoop file system. How will you obtain these user records?
- A. Hive LOAD DATA command
- B. Pig LOAD command
- C. Ingest with Hadoop Streaming
- D. Ingest with Flume agents
- E. HDFS command
- F. Sqoop import
Correct Answer: F 🗳️
What does the following command do? register '/piggyban):/pig-files.jar';
- A. Transforms Pig user-defined functions into a format that Hive can accept
- B. Invokes the user-defined functions contained in the jar file
- C. Assigns a name to a user-defined function or streaming command
- D. Specifies the location of the JAR file containing the user-defined functions
Correct Answer: D 🗳️
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